How many seconds in 1 fortnight?
The answer is 1209600.
We assume you are converting between second and fortnight.
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seconds or fortnight
The SI base unit for time is the second.
1 second is equal to 8.2671957671958E-7 fortnight.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between seconds and fortnights.
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You can do the reverse unit conversion from fortnight to seconds, or enter any two units below:
The second (symbol s) is a unit for time, and one of seven SI base units. It is defined as the duration of 9,192,631,770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the caesium-133 atom at zero kelvins.
A fortnight is a unit of measurement of time equal to two weeks: that is 14 days, or literally 14 nights. The term is most commonly used in British English. It derives from the Old English feowertiene niht, meaning "fourteen nights".
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